4.30ctw Tanzanite and 0.23ctw Topaz Bracelet

Auction #2182 | Item #82

Current Bid: $150

Appraised Value: $1,910


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Description

Electronically tested 925 silver ladies cast & assembled tanzanite and white topaz bracelet. Seven inch length bracelet features a flexible tanzanite trio and white topaz accented ribbon, terminating in a concealed clasp with twin safeties. Bright polish finish with milgrain detailing. Trademark is Orianne. Identified with markings of "925". Condition is new, good workmanship.

 

Thirty prong set oval mixed cut natural tanzanites approximate total weight of 4.30ct., clarity is eye clean, type I, medium dark, very slightly grayish, violetish blue color, (GIA vB 6/3), cut is good. Transmitting light with no distortion, transparent. Color grade is an average for the group. Graded in the setting.Natural Tanzanite, color enhanced due to cobalt coating. The presence of the coating prevents determining the stone's actual depth of color. Transmitting light with no distortion, transparent. Grading in the setting. The cobalt coated Tanzanite has a low tolerance to ultrasonic cleaning, and should not be cleaned using this method.

 

Tanzanite is a very rare gemstone that is only found in the country of Tanzania. Originally discovered in 1967. Tiffany & Company, named the stone Tanzanite. It is found in the Usumburu Mountains that border the Umba Valley of northern Tanzania. Tanzanite occurs in gray, brown, violet, blue, reddish-purple, & green. The gem is interesting because of its exceptional pleochroism. Rotated in different directions a tanzanite will exhibit multiple changes of color.

 

Ten prong set round mixed cut natural white topazs approximate total weight of 0.23ct., clarity is eye clean, colorless, very slightly grayish, white color, (GIA W 0/3), cut is good. Transmitting light with no distortion, transparent. Color grade is an average for the group. Graded in the setting.

SKU: 1144812